ref: 317cb407d207055980e3b700e5dc5a5178b0672b
dir: /consreadnum.c/
#include <u.h>
#include <libc.h>
void
main()
{
char tmp[64];
int size;
size = 2*1024*1024*1024;
if(size > sizeof tmp || size < 0)
size = sizeof tmp;
snprint(tmp, sizeof tmp, "%*lud", size-1, 409234UL);
tmp[size-1] = ' ';
print("%s\n", tmp);
exits(nil);
}